/* ============================================
   BLOG SECTION STYLES
   ============================================ */

/* ===== CSS VARIABLES ===== */
:root {
  /* Dark Theme (Default) */
  --bg-primary: #000000;
  --bg-secondary: #051005;
  --bg-tertiary: #0a0a0a;
  --text-primary: #00ff00;
  --text-secondary: #d0d0d0;
  --text-muted: #888888;
  --accent-primary: #ffff00;
  --accent-secondary: #ccff00;
  --accent-orange: #ffaa00;
  --border-color: #00ff00;
  --card-bg: #051005;
  --card-hover: #0a150a;
  --shadow-color: rgba(0, 255, 0, 0.3);
  --code-bg: #000000;
  --sidebar-width: 280px;
  --navbar-height: 60px;
  
  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-medium: 0.3s ease;
  --transition-slow: 0.5s ease;
}

/* Light Theme */
[data-theme="light"] {
  --bg-primary: #f5f5f5;
  --bg-secondary: #ffffff;
  --bg-tertiary: #e8e8e8;
  --text-primary: #006400;
  --text-secondary: #333333;
  --text-muted: #666666;
  --accent-primary: #754a00;
  --accent-secondary: #999900;
  --accent-orange: ##ff6c00;
  --border-color: #006400;
  --card-bg: #ffffff;
  --card-hover: #f0f8f0;
  --shadow-color: rgba(0, 100, 0, 0.2);
  --code-bg: #e0e0e0;
}

/* ===== RESET & BASE ===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Fira Code', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  transition: background-color var(--transition-medium), color var(--transition-medium);
}

/* ===== NAVBAR ===== */
.blog-navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--navbar-height);
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  padding: 0 1rem;
  gap: 1rem;
  transition: background-color var(--transition-medium), border-color var(--transition-medium);
}

.blog-navbar .nav-left {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-right: auto;
}

.blog-navbar .brand {
  display: none;
}

.blog-navbar .nav-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.95rem;
  transition: all var(--transition-fast);
  padding: 0.5rem 0.75rem;
  border-radius: 4px;
}

.blog-navbar .nav-link:hover {
  background: var(--accent-primary);
  color: var(--bg-primary) !important;
  font-weight: bold;
  box-shadow: 0 0 10px var(--accent-primary);
}

.blog-navbar .nav-link.active {
  color: var(--accent-primary);
  font-weight: 600;
}

.blog-navbar .nav-link.active:hover {
  background: var(--accent-primary);
  color: var(--bg-primary) !important;
  font-weight: bold;
  box-shadow: 0 0 10px var(--accent-primary);
}

/* Theme Toggle - Single Icon Button */
.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  cursor: pointer;
  border-radius: 50%;
  background: var(--bg-tertiary);
  transition: all var(--transition-medium);
}

.theme-toggle:hover {
  box-shadow: 0 0 10px var(--shadow-color);
}

.theme-toggle .icon {
  font-size: 1.2rem;
  transition: transform var(--transition-medium), opacity var(--transition-medium);
}

.theme-toggle .icon.sun {
  color: #513800;
  display: none;
}

.theme-toggle .icon.moon {
  color: #6666ff;
  display: block;
}

[data-theme="light"] .theme-toggle .icon.sun {
  display: block;
}

[data-theme="light"] .theme-toggle .icon.moon {
  display: none;
}

/* ===== MAIN CONTAINER ===== */
.blog-main {
  margin-top: var(--navbar-height);
  min-height: calc(100vh - var(--navbar-height));
}

/* ===== BLOG HOME PAGE ===== */
.blog-hero {
  text-align: center;
  padding: 2rem 1rem;
  background: linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
  border-bottom: 1px solid var(--border-color);
}

.blog-hero h1 {
  font-size: 1.8rem;
  color: var(--accent-primary);
  margin-bottom: 0.5rem;
  animation: fadeInUp 0.6s ease-out;
}

.blog-hero p {
  font-size: 0.95rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
  animation: fadeInUp 0.6s ease-out 0.2s both;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Blog Grid */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1rem;
  padding: 1.5rem;
  max-width: 1200px;
  margin: 0 auto;
}

/* Blog Card */
.blog-card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  overflow: hidden;
  transition: all var(--transition-medium);
  position: relative;
  animation: fadeInUp 0.6s ease-out both;
}

.blog-card:nth-child(1) { animation-delay: 0.1s; }
.blog-card:nth-child(2) { animation-delay: 0.2s; }
.blog-card:nth-child(3) { animation-delay: 0.3s; }
.blog-card:nth-child(4) { animation-delay: 0.4s; }
.blog-card:nth-child(5) { animation-delay: 0.5s; }
.blog-card:nth-child(6) { animation-delay: 0.6s; }

.blog-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--text-primary), var(--accent-primary));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-medium);
}

.blog-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 30px var(--shadow-color);
  border-color: var(--accent-primary);
}

.blog-card:hover::before {
  transform: scaleX(1);
}


.blog-card-content {
  display: block;
  padding: 1rem;
  text-decoration: none;
  color: inherit;
}

.blog-card-date {
  font-size: 0.8rem;
  color: var(--accent-orange);
  margin-bottom: 0.35rem;
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.blog-card-title {
  font-size: 1.1rem;
  color: var(--text-primary);
  margin-bottom: 0.35rem;
  line-height: 1.35;
  transition: color var(--transition-fast);
}

.blog-card:hover .blog-card-title {
  color: var(--accent-primary);
}

.blog-card-description {
  color: var(--text-secondary);
  font-size: 0.85rem;
  margin-bottom: 0.5rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.tag {
  display: inline-block;
  padding: 0.15rem 0.5rem;
  border-radius: 4px;
  background: var(--accent-primary);
  color: var(--bg-primary);
  font-size: 0.75rem;
  margin-right: 0.25rem;
}

.blog-meta {
  color: var(--text-secondary);
  font-size: 0.85rem;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

/* Post header and metadata */
.post-header {
  padding: 1.5rem 2rem;
  border-bottom: 1px solid var(--border-color);
  background: var(--bg-secondary);
}
.post-title {
  font-size: 1.5rem;
  color: var(--accent-primary);
  margin-bottom: 0.25rem;
}
.challenge-name {
  font-size: 1.05rem;
  color: var(--text-primary);
  margin-bottom: 0.75rem;
}
.meta-row {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  align-items: center;
  margin-top: 0.5rem;
}
.meta-item {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--text-secondary);
  font-size: 0.9rem;
  padding: 0.25rem 0.5rem;
}

/* Difficulty color mapping */
.difficulty-low { background: #2ecc71; color: #022c12; border-radius: 4px; padding: 0.25rem 0.5rem; }
.difficulty-medium { background: #f39c12; color: #2f1a00; border-radius: 4px; padding: 0.25rem 0.5rem; }
.difficulty-hard { background: #e74c3c; color: #2b0b06; border-radius: 4px; padding: 0.25rem 0.5rem; }

/* Tag color hints */
.tag-web { background: #3498db; color: white; }
.tag-tryhackme { background: #8e44ad; color: white; }
.tag-path-traversal { background: #16a085; color: white; }

/* Copy button and pre formatting */
/* Code wrapper to hold the pre (which can scroll) and a fixed-position button */
.code-wrapper { position: relative; }
.code-wrapper pre { position: relative; padding: 1rem; padding-right: 1rem; overflow: auto; }
.copy-btn {
  position: absolute;
  top: 8px;
  right: 8px;
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-size: 0.9rem;
  padding: 0.15rem 0.4rem;
  border-radius: 4px;
  cursor: pointer;
  opacity: 0;
  transition: opacity var(--transition-fast), color var(--transition-fast);
}
.code-wrapper:hover .copy-btn { opacity: 1; }
.copy-btn.copied { color: var(--accent-primary); }

.blog-card-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-primary);
  font-size: 0.95rem;
  font-weight: 600;
  transition: all var(--transition-fast);
}

.blog-card-content:hover .blog-card-link {
  color: var(--accent-primary);
  gap: 0.8rem;
}

.blog-card-link i {
  transition: transform var(--transition-fast);
}

.blog-card-content:hover .blog-card-link i {
  transform: translateX(4px);
}

/* ===== INDIVIDUAL BLOG PAGE LAYOUT ===== */
.blog-layout {
  display: flex;
  min-height: calc(100vh - var(--navbar-height));
  padding-top: var(--navbar-height);
}

/* Sidebar */
.blog-sidebar {
  width: var(--sidebar-width);
  background: var(--bg-secondary);
  border-right: 1px solid var(--border-color);
  padding: 2rem 0;
  position: sticky;
  top: 0;
  height: calc(100vh);
  overflow-y: auto;
  transition: all var(--transition-medium);
}

.blog-sidebar h3 {
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-muted);
  padding: 0 1.5rem;
  margin-bottom: 1rem;
}

.blog-sidebar ul {
  list-style: none;
}

.blog-sidebar li a {
  display: block;
  padding: 0.75rem 1.5rem;
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.95rem;
  transition: all var(--transition-fast);
  border-left: 3px solid transparent;
}

.blog-sidebar li a:hover {
  background: var(--bg-tertiary);
  color: var(--text-primary);
}

.blog-sidebar li a.active {
  background: var(--bg-tertiary);
  color: var(--accent-primary);
  border-left-color: var(--accent-primary);
  font-weight: 600;
}

/* Sidebar Toggle Button (Mobile) */
.sidebar-toggle {
  display: none;
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 50px;
  height: 50px;
  background: var(--text-primary);
  color: var(--bg-primary);
  border: none;
  border-radius: 50%;
  cursor: pointer;
  z-index: 999;
  box-shadow: 0 4px 15px var(--shadow-color);
  transition: all var(--transition-medium);
}

.sidebar-toggle:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 20px var(--shadow-color);
}

.sidebar-toggle i {
  font-size: 1.2rem;
}

/* Blog Content Area */
.blog-content {
  flex: 1;
  padding: 3rem 4rem;
  max-width: 900px;
}

.blog-content article {
  animation: fadeInUp 0.6s ease-out;
}

.blog-content h1 {
  font-size: 2.2rem;
  color: var(--accent-primary);
  margin-bottom: 1rem;
  line-height: 1.3;
}

.blog-content .blog-meta {
  display: flex;
  gap: 1.5rem;
  margin-bottom: 2rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-muted);
  font-size: 0.9rem;
}

.blog-content .blog-meta span {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.blog-content .blog-meta i {
  color: var(--accent-orange);
}

/* Blog Content Styling */
.blog-content h2 {
  font-size: 1.8rem;
  color: var(--text-primary);
  margin: 2.5rem 0 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--border-color);
}

.blog-content h3 {
  font-size: 1.4rem;
  color: var(--accent-secondary);
  margin: 2rem 0 0.75rem;
}

.blog-content h4 {
  font-size: 1.15rem;
  color: var(--accent-orange);
  margin: 1.5rem 0 0.5rem;
}

.blog-content p {
  color: var(--text-secondary);
  margin-bottom: 1.25rem;
  font-size: 1.05rem;
  line-height: 1.8;
}

.blog-content a {
  color: var(--text-primary);
  text-decoration: underline;
  text-decoration-color: var(--accent-primary);
  transition: color var(--transition-fast);
}

.blog-content a:hover {
  color: var(--accent-primary);
}

/* Code Blocks */
.blog-content pre {
  background: var(--code-bg);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 1.25rem;
  overflow-x: auto;
  margin: 1.5rem 0;
  position: relative;
}

.blog-content pre:hover .copy-btn {
  opacity: 1;
}

.copy-btn {
  position: absolute;
  top: 0.75rem;
  right: 0.75rem;
  background: var(--accent-primary);
  color: var(--bg-primary);
  border: none;
  border-radius: 4px;
  padding: 0.5rem 0.75rem;
  font-size: 0.9rem;
  cursor: pointer;
  opacity: 0;
  transition: opacity var(--transition-fast), background-color var(--transition-fast);
  display: flex;
  align-items: center;
  gap: 0.35rem;
  font-weight: 600;
}

.copy-btn:hover {
  background: var(--accent-secondary);
}

.copy-btn.copied {
  background: #00ff00;
  color: var(--bg-primary);
}

.blog-content code {
  font-family: 'Fira Code', 'Consolas', monospace;
  font-size: 0.9rem;
}

.blog-content p code,
.blog-content li code {
  background: var(--code-bg);
  padding: 0.2rem 0.5rem;
  border-radius: 3px;
  font-size: 0.9em;
  color: var(--accent-secondary);
}

.blog-content pre code {
  color: var(--text-secondary);
  background: none;
  padding: 0;
}

/* Lists */
.blog-content ul,
.blog-content ol {
  color: var(--text-secondary);
  margin: 1rem 0 1.5rem 1.5rem;
}

.blog-content li {
  margin-bottom: 0.5rem;
  line-height: 1.7;
}

.blog-content ul li::marker {
  color: var(--accent-primary);
}

.blog-content ol li::marker {
  color: var(--accent-secondary);
  font-weight: bold;
}

/* Images */
.blog-content img {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
  margin: 1.5rem 0;
}

.blog-content figure {
  margin: 2rem 0;
}

.blog-content figcaption {
  text-align: center;
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-top: 0.75rem;
  font-style: italic;
}

/* Blockquote */
.blog-content blockquote {
  border-left: 4px solid var(--accent-primary);
  background: var(--bg-secondary);
  padding: 1rem 1.5rem;
  margin: 1.5rem 0;
  font-style: italic;
  color: var(--text-secondary);
}

.blog-content blockquote p {
  margin-bottom: 0;
}

/* Tables */
.blog-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
}

.blog-content th,
.blog-content td {
  padding: 0.75rem 1rem;
  border: 1px solid var(--border-color);
  text-align: left;
}

.blog-content th {
  background: var(--bg-secondary);
  color: var(--accent-primary);
  font-weight: 600;
}

.blog-content td {
  color: var(--text-secondary);
}

/* Horizontal Rule */
.blog-content hr {
  border: none;
  height: 1px;
  background: var(--border-color);
  margin: 2.5rem 0;
}

/* ===== RESPONSIVE STYLES ===== */

/* Tablet */
@media (max-width: 1024px) {
  .blog-sidebar {
    width: 220px;
    padding: 1.5rem 0;
  }
  
  .blog-content {
    padding: 2rem 3rem;
  }
  
  .blog-content h1 {
    font-size: 1.9rem;
  }
  
  .blog-content h2 {
    font-size: 1.5rem;
  }
}

/* Mobile */
@media (max-width: 768px) {
  .blog-navbar {
    padding: 0 1rem;
  }
  
  .blog-navbar .nav-left {
    margin-right: auto;
  }
  
  .blog-navbar .nav-links {
    display: none;
    position: fixed;
    top: var(--navbar-height);
    right: -100%;
    width: 280px;
    height: calc(100vh - var(--navbar-height));
    background: var(--bg-secondary);
    flex-direction: column;
    padding: 1rem;
    border-left: 1px solid var(--border-color);
    gap: 0.5rem;
    transition: right var(--transition-medium);
    overflow-y: auto;
  }
  
  .blog-navbar .nav-links.mobile-open {
    display: flex;
    right: 0;
  }
  
  .blog-navbar .nav-link {
    padding: 0.75rem 1rem;
    border-radius: 6px;
    width: 100%;
  }
  
  .blog-navbar .nav-link:hover {
    background: var(--bg-tertiary);
  }
  
  /* Hamburger Menu Button */
  .mobile-menu-btn {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 40px;
    height: 40px;
    background: var(--bg-tertiary);
    border-radius: 8px;
    cursor: pointer;
    padding: 8px;
    gap: 5px;
  }
  
  .mobile-menu-btn span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: all var(--transition-medium);
  }
  
  .mobile-menu-btn.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }
  
  .mobile-menu-btn.active span:nth-child(2) {
    opacity: 0;
  }
  
  .mobile-menu-btn.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
  }
  
  .blog-hero {
    padding: 2rem 1rem;
  }
  
  .blog-hero h1 {
    font-size: 1.8rem;
  }
  
  .blog-grid {
    grid-template-columns: 1fr;
    padding: 2rem 1rem;
    gap: 1.5rem;
  }
  
  /* Individual Blog Page - Mobile Layout */
  .blog-layout {
    flex-direction: column;
  }
  
  .blog-sidebar {
    position: fixed;
    left: -100%;
    top: var(--navbar-height);
    width: 280px;
    height: calc(100vh - var(--navbar-height));
    z-index: 998;
    box-shadow: 5px 0 20px rgba(0, 0, 0, 0.3);
  }
  
  .blog-sidebar.open {
    left: 0;
  }
  
  .sidebar-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
  }
  
  .blog-content {
    padding: 2rem 1.5rem;
  }
  
  .blog-content h1 {
    font-size: 1.6rem;
  }
  
  .blog-content h2 {
    font-size: 1.3rem;
  }
  
  .blog-content .blog-meta {
    flex-direction: column;
    gap: 0.5rem;
  }
}

/* Small Mobile */
@media (max-width: 480px) {
  .blog-hero h1 {
    font-size: 1.5rem;
  }
  
  .blog-hero p {
    font-size: 1rem;
  }
  
  .blog-card-content {
    padding: 1rem;
  }
  
  .blog-card-title {
    font-size: 1.15rem;
  }
  
  .blog-content {
    padding: 1.5rem 1rem;
  }
  
  .blog-content h1 {
    font-size: 1.4rem;
  }
  
  .blog-content p {
    font-size: 1rem;
  }
}

/* ===== UTILITY CLASSES ===== */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }

.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }

/* Sidebar Overlay (Mobile) */
.sidebar-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.6);
  z-index: 997;
}

.sidebar-overlay.active {
  display: block;
}